/* サブチェック - スマホ最優先のレスポンシブCSS */

:root {
  --brand: #0f766e;        /* teal-700 */
  --brand-strong: #115e59; /* teal-800 */
  --brand-bar: #0d9488;    /* teal-600: 白背景で3.6:1 */
  --brand-pale: #f0fdfa;
  --ink: #1f2937;
  --ink-2: #4b5563;
  --ink-3: #6b7280;
  --line: #e5e7eb;
  --bg: #f8fafc;
  --card: #ffffff;
  --warn-bg: #fffbeb;
  --warn-border: #f59e0b;
  --warn-ink: #92400e;
  --good-bg: #ecfdf5;
  --good-border: #10b981;
  --good-ink: #065f46;
  --danger: #b91c1c;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDPGothic", Meiryo, system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}

.container { max-width: 760px; margin: 0 auto; padding: 0 16px; }

a { color: var(--brand-strong); }

h1, h2, h3 { line-height: 1.4; }

/* ---------- ヘッダー ---------- */
.site-header {
  background: linear-gradient(160deg, var(--brand-strong), var(--brand));
  color: #fff;
  padding: 28px 0 24px;
}
.brand { margin: 0 0 4px; font-weight: 700; letter-spacing: .05em; opacity: .95; }
.brand-sub { font-size: .75em; font-weight: 400; opacity: .8; }
.site-header h1 { margin: 0 0 10px; font-size: 1.5rem; }
.lead { margin: 0 0 14px; font-size: .95rem; opacity: .95; }
.privacy-badge {
  display: inline-block;
  margin: 0;
  padding: 10px 14px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .5);
  border-radius: 10px;
  font-weight: 700;
  font-size: .95rem;
}
.privacy-badge small { font-weight: 400; font-size: .78rem; opacity: .9; }

/* ---------- サマリー ---------- */
.summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 12px;
}
.stat-tile {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-tile-accent { grid-column: 1 / -1; background: var(--brand-pale); border-color: var(--brand-bar); }
.stat-tile-wide { margin-bottom: 14px; }
.stat-label { font-size: .8rem; color: var(--ink-2); }
.stat-value { font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-value small { font-size: .85rem; font-weight: 400; color: var(--ink-2); margin-left: 2px; white-space: nowrap; }

/* ---------- アラート ---------- */
.alert { border-radius: 12px; padding: 12px 14px; margin: 10px 0; font-size: .95rem; }
.alert-warn { background: var(--warn-bg); border: 1px solid var(--warn-border); color: var(--warn-ink); }
.alert-good { background: var(--good-bg); border: 1px solid var(--good-border); color: var(--good-ink); }

/* ---------- パネル ---------- */
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 16px;
  margin: 16px 0;
}
.panel h2 { margin: 0 0 10px; font-size: 1.15rem; }
.panel-note { margin: 0 0 12px; font-size: .85rem; color: var(--ink-2); }
.count-badge {
  font-size: .8rem; font-weight: 400; color: var(--brand-strong);
  background: var(--brand-pale); border-radius: 999px; padding: 2px 10px; vertical-align: middle;
}

/* ---------- フォーム ---------- */
.form-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
.form-row { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
.form-row label { font-size: .85rem; font-weight: 700; color: var(--ink-2); }
.req {
  font-size: .7rem; color: #fff; background: var(--danger);
  border-radius: 4px; padding: 1px 6px; font-weight: 400; margin-left: 4px;
}
input, select, button { font: inherit; }
input[type="text"], input[type="number"], input[type="date"], select {
  padding: 10px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  width: 100%;
  min-height: 44px; /* タップターゲット */
}
input:focus, select:focus, button:focus-visible { outline: 2px solid var(--brand-bar); outline-offset: 1px; }
.form-hint { font-size: .78rem; color: var(--ink-3); margin: 4px 0 0; }
.form-actions { display: flex; gap: 10px; margin-top: 6px; }

.btn {
  padding: 12px 20px;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  min-height: 44px;
  font-weight: 700;
}
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-strong); }
.btn-danger { background: #fff; border-color: var(--danger); color: var(--danger); }
.btn-mini {
  padding: 6px 12px; border-radius: 8px; border: 1px solid #cbd5e1;
  background: #fff; cursor: pointer; font-size: .8rem; min-height: 36px;
}
.btn-mini.btn-del { color: var(--danger); border-color: #fca5a5; }

/* ---------- 一覧 ---------- */
.item-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.empty-note { color: var(--ink-3); font-size: .9rem; padding: 8px 2px; }

.item-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  background: #fff;
}
.item-card.is-idle { border-color: var(--warn-border); background: var(--warn-bg); }
.item-card.is-off { opacity: .55; background: #f1f5f9; }
.item-card.is-off .item-name { text-decoration: line-through; }

.item-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 6px; }
.keep-label { display: inline-flex; align-items: center; gap: 4px; font-size: .8rem; color: var(--ink-2); cursor: pointer; }
.keep-label input { width: 18px; height: 18px; }
.item-name { font-weight: 700; font-size: 1.02rem; }
.chip {
  font-size: .72rem; background: #f1f5f9; color: var(--ink-2);
  border-radius: 999px; padding: 2px 9px;
}
.chip-idle { background: var(--warn-border); color: #fff; }

.item-body { display: flex; flex-direction: column; gap: 8px; }
.item-amounts { display: flex; flex-direction: column; gap: 1px; }
.item-monthly { font-size: 1.25rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.item-sub { font-size: .8rem; color: var(--ink-3); }
.item-memo { color: var(--ink-2); }

.item-controls { display: flex; flex-wrap: wrap; align-items: end; gap: 10px; justify-content: space-between; }
.usage-label { display: flex; flex-direction: column; gap: 3px; font-size: .78rem; color: var(--ink-2); flex: 1 1 200px; }
.usage-select { min-height: 40px; }
.item-btns { display: flex; gap: 8px; }

/* ---------- カテゴリ内訳(単色バー) ---------- */
.cat-bars { display: flex; flex-direction: column; gap: 8px; }
.cat-row { display: grid; grid-template-columns: 7.5em 1fr; gap: 2px 10px; align-items: center; font-size: .85rem; }
.cat-name { color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cat-bar-track { display: block; background: #f1f5f9; border-radius: 4px; height: 18px; }
.cat-bar { display: block; height: 100%; background: var(--brand-bar); border-radius: 4px; min-width: 3px; }
.cat-val { grid-column: 2; color: var(--ink); font-variant-numeric: tabular-nums; }
.cat-val small { color: var(--ink-3); }

/* ---------- 統計比較 ---------- */
.compare-list { display: flex; flex-direction: column; gap: 4px; }
.compare-row { border-top: 1px solid var(--line); padding: 12px 0 4px; }
.compare-row h3 { margin: 0 0 6px; font-size: .98rem; color: var(--brand-strong); }
.compare-row p { margin: 0 0 8px; font-size: .9rem; }
.compare-you {
  background: var(--brand-pale); border-radius: 8px; padding: 8px 12px;
  font-variant-numeric: tabular-nums;
}
.sources { margin-top: 12px; font-size: .82rem; color: var(--ink-2); }
.sources ul { padding-left: 1.2em; }
details summary { cursor: pointer; font-weight: 700; }
details { margin-top: 10px; font-size: .88rem; }

/* ---------- ics ---------- */
.panel-ics { border-color: var(--brand-bar); }

/* ---------- 記事 ---------- */
.article h2 { font-size: 1.2rem; margin-top: 4px; }
.article h3 { font-size: 1.02rem; margin: 20px 0 6px; color: var(--brand-strong); }
.article p, .article li { font-size: .92rem; }
.article ol { padding-left: 1.4em; }
.faq dt { font-weight: 700; margin-top: 12px; }
.faq dd { margin: 4px 0 0 0; color: var(--ink-2); }

/* ---------- 導線 ---------- */
.promo { background: var(--brand-pale); border-color: var(--brand-bar); }
.promo ul { padding-left: 1.2em; margin: 0; }
.promo li { margin-bottom: 6px; font-size: .92rem; }

/* ---------- フッター ---------- */
.site-footer { background: #1e293b; color: #cbd5e1; padding: 26px 0 30px; margin-top: 30px; }
.site-footer h2 { font-size: 1rem; color: #fff; }
.site-footer p { font-size: .8rem; }
.site-footer a { color: #7dd3fc; }
.copyright { margin-top: 14px; opacity: .8; }

/* ---------- PC幅 ---------- */
@media (min-width: 640px) {
  .site-header h1 { font-size: 1.9rem; }
  .summary { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stat-tile-accent { grid-column: auto; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .item-body { flex-direction: row; justify-content: space-between; align-items: flex-start; }
  .item-controls { flex-direction: column; align-items: flex-end; }
  .usage-label { flex: 0 0 auto; }
  .cat-row { grid-template-columns: 9em 1fr 14em; }
  .cat-val { grid-column: auto; text-align: right; }
}